Loom-shuttle.



PATENTED JAN. 21, 1908. H. MURPHY.

LOOM SHUTTLE.

APPLICATION FILED NOV.2B, 1906.

" vE/vrD BYJKQHMMH,

.- tothrow the l'celer away LOOM-SHUTTLE To all III/1.02;! it mayconcern:

Be iL l\'.ll()\ n the 1. l, llENltY MuRPnY, a subject of the .l nitedKingdom of Great Britain and Ireland, lesidl ng at Lowell, in the countyof lllidilh-sex and (,o'nnnonwealth of Massa chusetls, have i] I van 1ml a certainnew and use.- iul 1111 pm weln'ent in .liomwShuttles, ofwhich the l'ollon ing is a specification.

This invention relates to looin-sl'iuttles oi the kind used in manywcit-replenishing looms, in whit-h a .teeler at every other beat of thela roaches through an opening in the front of the shuttle-box andthrough an opening in the s'hu tile and pressedby the filling fromoperative position, until the filling has been exl'iausted to apredetermined anioinit and the feeler is no longer sulliciently, movedto prevent its engagingnvith other mechanism which introduces a newsupply of filling. Such afee'ler and weitsupplyin'g mechanism controlledthereby is shown in United States Letters Patentito Northrop, No..626,157, and formsno part 0i this invention.

it has been found that when-the speed of 1001115 of theclass'reierredtois increased, the lay swings a little farther forward and the feelermust reach a little further into the shut-.

tle before the filling-change takes place, re-4 uuiring a greaterexhaustlon of the filling in the shuttlebel'ore the leeler can swingintooperative position, On the other hand, where there is a decrease ofspeed either inte-nti'on ally or by. an increase in the weightof thewarp, the .laydoesnot' comelso far for-.. ward, the fillingchan e takesplace sooner and the waste ding le t on the old bobbin or spindle willbe greater in amount. The amount of waste thus madeis a matter oi con--and to lessen its amount it is customary to wind. a narrow ring or bunchof filling on the bobbin. or spindle at the commeneementoftho-bobbin-wi'nding or spindlawinding operathm. The object of thisinvention is to, make the action of the feeler more positive and exact,regardless of the speed and of the inevitable wearing ofthe bearings ofthe lay and its connections so that the filling-change will actusiderable importance ally occur as intended when the filling is ex haustedto a predetermined amount and to make it certain that this amount shallnot be varied by the weaver who frequently varies the adjustinoi-it ofthe .feeler to hasten the filling-change, in' order to avoidbreakswhich'lt.) DltAllGR COMPANY, OF

Specification of Letters Patent. Application'filed November 28.1906.BerialNo. 345.510.

MASSAUIlUSElTS, ASSIGNOR, er sinner AND MESNE HOPEDALE, MASSACHUSETTS, AGOR- Patented. Jan. 21, 1908.

' are more likely to occur when the filling is nearly exhausted. i

By the use of my invention the feeler may be lightened to a considerableextent and narrowed at its contacting end and the 0 enings in theshuttle-box and shuttle-through which the feeler reaehes,. therebyweakening the tent. Said invention will save part of the waste cop whenthe filling-change takes place, be-

:ause'this invention to be made on the diameter of. a single t if theswinging-plate or feeler-shield be carefully made and roperly set, inwhich case said shield is positively sure to operate properly. Theamonntof such waste is so great that feelers have gone out of use inmills where it is consideredmore important to make little waste than toturn out a high quality of cloth'.

In the accompanying drawing,'Figure 1,-is an isometric perspective view,partly in vertical cross-section, of a left-handed shuttle containing afull bobbin rovided with my improvement; Fig. 2, a ront elevation ofthat partof a shuttle which contains my invention; 'Fig. 3, theline 3 3in Fig 2'; Fig. 4,'similar-to-Fig. 3, but showing also in section, inthesame plane the front wall or plate of the shuttle- OK and a feelerpressing againstthe feelershield Fig. 5, like Fig.4, exoeptthat thefilling is partly exhausted; Fig. 6, like Fig. 5, except shuttle to aless exthe greater that the bobbin is empty. A indicates the body of ashuttle such as is now commonly used in the so-called Northrop loom a,the chamber or'longitudinal mortise which receives the filling-carrieror -bobbin B and filling (J; a, the threading slit; a the delivery eye;(1, the slot or opening through which the feeler F enters the shuttleafter passing through the aperture 6 in the frontwall E of theshuttle-box. All the above indicated parts are of any. usualconstruction and operation, except as here *inafter stated and may besubstantially as shown and described in said NorthropQpatent and otheratents to said Northrop.

.The slot of in the shuttle is represented as leavin aled e a j .Withinthe slot a is pivoted t e fee er-shield D, the same. being a platepreferably of metal, having ears (1 (1 through which project pivot-pinsd (1, se-

filling left on the bobbin or will enable said change cad,

deepened on the inside at the bottom at a may be made smaller,

a vertical cross-section on cured in the end-walls of said slot (1 Theshield D turns freely on its'pivots d d when ushed by the feeler andswin s against the ing or co 0 but does not a ow the feeler tocome inirect contact with the fillin and as the filling is exhausted, allowsthe eeler gradually to enter the shuttle farther until when the fillingis entirely exhausted or ex hausted to any predetermined extent, saidshield is pushed up entirely out ofthe we of said feeler which thenoperates the fillingchanging mechanism in the usual manner.

'D, (i prevented from rising on its pivot bythe It is customary to winda bunch of yarn on the-bobbin at the beginning of the spinning operationfor the purpose of having a we defined projection for the feele'r towork against, and I referto use a similar bunch to 'swing'against, butthefor the shield bunch may be smaller than heretofore or ma be disensed with entirely.

a ne of t e ears d, the one nearest: the middle of the shuttle, isprovided with a pivotholle d which'is oblong instead of circular an enthe shuttleis in the box, the ear shuttle-box plate or front wallottheshuttle E, but when the shuttle is out of the box, the

.shield may move away from the co until the pivot-pinis in the lower endof t e slot or opening 11*, the object of-this construction being toallow the shield to free itself from i the. copafter leaving the'ishuttle-box and to nearly point 0 fall into-place against the ledgeaasshown in Fig. 3. Otherwise the. shield might be held by the elasticityof thecop in the posi tion given to said shield by the. feeler when the,cop is nearly exhausted and theshield V occupied a nearlyradial'position to the cop. 40

The shield or plate D is provided at the lower ed e of its'outerfacewith a bead (P. This bea allows the feeler to come suddenly in contactwith the nearly. exhausted cop at the pro. er. time. As the fillingbecomes ex hauste 'the feeler strikes against the outer face of thebeadwhich is so'curved as to be contact therewith, so thatthe plate offers agreater resistanceto the enetration of the feeler into the shuttle, untI the'neces sary reduction of the diameter of the co has taken place andthen the contact 0 the edge and norma arallel with the ,rear wall of theshield,

filling shiel 1 perpendicula'r to the feeler at the feeler suddenlyraises the shield D above the horizontal plane of the axis of thecop-holder and allows the feeler to come in contact with the cop. Theeffect of the head is therefore to render the operation more exact andpositive. I claim as my invention 1. The combination of a shuttle-bodyprovided with an o ening to admit a feeler and a shield normally closingsaid opening and adapted to yield when ressed by said-feeler agamst acop carried y said shuttle, and normally to revent the actual contact ofsaid feeler wit said cop, but ermitting such contact when said cop haseen exhausted to a predetermined amount.

2. The combination of a shuttle-body pro vided with a slot or opening toadmit a feeler', a shield or lplate pivoted near its upper y closingsaid slot by its own gravity, normally to preventjthe actual contact-ofsaid feeler with a"cop carried by said shuttle but ermitting suchcontact when said cop has een exhausted to apredetermined amount. T

3. The. combination of the shuttlea ody having an o ening to admit afeeler d a or' plate provided with ears, pivots passing through holes insaid cars into .the shuttle-body, the hole in one of said ears beingoblong to allow said'shield to yield in the plane of said shield tobecome disengaged from a cop carried by said shuttle.

'4. The combination of the shuttle-body having an opening to admit afeeler and a filling shield or late pivoted near its upper edge andnorma ly closing said slot by gravity and adapted to yield when pressedby said feeler against a cop carried by said shut tie, and toprevent theactual contact of said feeler with said cop until said cop has beenexhausted to a predetermined extent, said shield having on its outerface near its lower edgea bead curved to be perpendicular'with saidfeeler at the point of'contact of said shieldand feeler. v

In testimony whereof, I have affixed my signature, in presence of twowitnesses.

HENRY MURPHY.

: Witnesses:

ALBERT M. Moons, ALEXANDERT. 001.11.

